Abstract: A comprehensive test platform for fluorescence microscope objective lenses, comprising a bottom plate (1), wherein a horizontal adjustment device and a vertical fixing mechanism are provided on the bottom plate (1); the horizontal adjustment device comprises a two-dimensional translation stage (2) and a two-dimensional tilting stage (3) stacked in sequence; a reticle (4) is provided on the two-dimensional tilting stage (3); the vertical fixing mechanism comprises a back plate (6), and the back plate (6) is fixedly connected onto the bottom plate (1); an optical detection device and a guide sliding device (7) in the vertical direction are separately fixedly provided on the back plate (6); and a sliding support (8) that can slide along the guide sliding device is provided on the guide sliding device (7), and a measuring objective lens (5) is fixed on the sliding support (8).

Abstract: An embodiment can provide a torque sensor comprising: a housing; a rotor that is arranged inside the housing; a stator that is arranged on an outer side of the rotor; a circuit board that is arranged in the housing; a Hall-effect sensor that is arranged on the circuit board; and a collector that is arranged adjacent to the Hall-effect sensor, wherein the collector includes a body portion and an extension portion extending from the body portion, the body portion is arranged to be spaced apart from the housing, and the extension portion is directly in contact with the housing.

Abstract: A geometric inspection device for horological mobile components, including a headstock bearing a first spindle defining a first axis of rotation and a tailstock defining a second axis of rotation, on a common sole relative to which the headstock or the tailstock can move along a common direction parallel with the first axis of rotation. The device includes interchangeable micro-centering devices, at least one of the first spindle and the second spindle includes receiving means arranged to coaxially house a removable centering device, and at least one of the headstock and the tail stock includes pulling means arranged to pull without contact a micro-centering device axially along a common direction, opposite a space separating the headstock and the tailstock.

Abstract: An embodiment may provide a sensing device comprising: a stator comprising stator teeth; and a rotor comprising magnets, wherein: the stator teeth comprise a first stator tooth and a second stator tooth arranged to overlap the first stator tooth in the radial direction from the center of the stator; the first stator tooth comprises multiple first teeth and multiple third teeth, and the second stator tooth comprises multiple second teeth; one of the multiple first teeth is arranged to overlap one of the multiple second teeth in the radial direction; and the magnets are disposed between the multiple first teeth and the multiple third teeth, respectively.

Abstract: An aircraft moveable element monitoring system is provided. An exemplary aircraft moveable element monitoring system includes a signal generator (108), a signal transmitter coil (110) electrically connected to the signal generator (108); a signal detector (112); a signal receiver coil (114) electrically connected to the signal detector (112); and one or more moveable element signal transmission units (115a-c). An exemplary moveable element signal transmission unit (115) includes a first signal transmission unit coil and a second signal transmission unit coil, the first signal transmission unit coil being electrically connected to the second signal transmission unit coil. Each moveable element signal transmission unit is configured to be installed on a respective moveable element of an aircraft. The signal transmitter coil, the one or more moveable element signal transmission units and the signal receiver coil form an inductively coupled transmission line.

Abstract: Differential magnetic field torque sensors include first and second magnetic field concentrators that guide magnetic flux to a magnetic field sensor from first and second magnetic field directors and a target, such as a multipole magnet assembly configured as a ring magnet. The magnetic field concentrators have pairs of sections that are interdigitated and configured adjacent to magnetic field sensing elements of the magnetic field sensor. The magnetic field directors can each have a plurality of teeth, which can be interdigitated and adjacent or proximate to the target. The magnetic field directors can be configured to be mounted as a unit to a rotatable shaft while the target can be configured to be mounted to a different rotatable shaft. The magnetic field concentrators and magnetic field sensor can be fixed while the magnetic field directors and target can rotate with respect to each other about a twist axis.

Abstract: Described herein is a ruggedized microelectromechanical (“MEMS”) force sensor. The sensor employs piezoresistive or piezoelectric sensing elements for force sensing where the force is converted to strain and converted to electrical signal. In one aspect, both the piezoresistive and the piezoelectric sensing elements are formed on one substrate and later bonded to another substrate on which the integrated circuitry is formed. In another aspect, the piezoelectric sensing element is formed on one substrate and later bonded to another substrate on which both the piezoresistive sensing element and the integrated circuitry are formed.

Abstract: Aspects of various embodiments are directed to sensor apparatuses and methods thereof. An example sensor apparatus includes a capacitor and sensor circuitry. The capacitor includes a first substrate having a first electrode, a second substrate having a second electrode, and a dielectric layer. The dielectric layer has a plurality of apertures arranged in a pattern, the first and second electrode being separated by the dielectric layer and arranged with an overlapping area with respect to one another. The sensor circuitry is coupled to the capacitor and configured and arranged to detect normal and shear forces applied to the sensor apparatus based on changes in capacitance derived from changes in at least one of a distance between the first and second electrodes and the overlapping area of the first and second electrodes.

Abstract: In one embodiment, a ruggedized wafer level microelectromechanical (“MEMS”) force sensor includes a base and a cap. The MEMS force sensor includes a flexible membrane and a sensing element. The sensing element is electrically connected to integrated complementary metal-oxide-semiconductor (“CMOS”) circuitry provided on the same substrate as the sensing element. The CMOS circuitry can be configured to amplify, digitize, calibrate, store, and/or communicate force values through electrical terminals to external circuitry.

Abstract: To estimate a fracture starting point of steel due to hydrogen embrittlement with high accuracy. A steel fracture starting point estimation device includes a hydrogen concentration distribution calculation unit adapted to calculate a hydrogen concentration distribution in steel-to-be-estimated when the steel fractures due to hydrogen embrittlement; a local critical hydrogen content calculation unit adapted to calculate critical hydrogen content at which the steel-to-be-estimated fractures due to hydrogen embrittlement; and a fracture starting point estimation unit adapted to read the hydrogen concentration distribution out of a storage unit. To estimate, calculate, from the hydrogen concentration distribution, a location in the steel in which hydrogen concentration of the critical hydrogen content is distributed, and designate the location in the steel as the fracture starting point of the steel-to-be-estimated.

Abstract: An integrated heated member management system includes: a cable module at least partially inserted into a heated member; a measurement module for measuring information generated in the cable module; an integrated management module for identifying a degree of damage to the heated member by a molten material on the basis of the information measured by the measurement module, to generate management information relating to the heated member; and a local terminal for receiving, from the integrated management module, the management information relating to the heated member.

Abstract: A ground simulation device and method for an on-orbit manipulation of a space manipulator is provided. The ground simulation device includes: a dual-arm robot, configured to simulate the space manipulator operating a target object; a suspension device, including a fixed post and passive rods, where the passive rods are movably connected with a top end of the fixed post, and the target object is suspended to the passive rods; and a simulation platform, configured to fix the dual-arm robot and the suspension device thereon. The ground simulation device provides the passive rods on the suspension device and suspends the target object to the passive rods, thus overcoming the gravity of the target object. In addition, the passive rods can drive the target object to move under an influence of an external force, achieving a similar suspension effect to that in space, and providing a desired, safe, and reliable implementation effect.

Abstract: A method for detecting a phase on a gear includes obtaining a first determination result indicating whether the gear has been detected at a first detection position. A second determination result indicating whether the gear has been detected at a second detection position is obtained. A third angle between the first and second angles is obtained. A third determination result indicating whether the gear has been detected at a third detection position is obtained. The first angle is replaced with the third angle when the third and first determination results are same, or the second angle is replaced with the third angle when the third and first determination results are different. The phase on the gear is detected based on an angle that is between the first angle and the second angle.

Abstract: A multi-degree of freedom (DOF) force and torque sensor is provided. The multi-DOF force and torque sensor includes a first rigid plate, a second rigid plate, multiple elastic elements connected between the first and second rigid plates, and multiple signal pairs connected between the first and second rigid plates. The signal pairs are used for detecting relative displacements of the first and second rigid plates in multiple directions.

Abstract: An apparatus for handling microelectronic devices comprises a pick arm having a pick surface configured for receiving a microelectronic device thereon, drives for moving the pick arm and reorienting the pick surface in the X, Y and Z planes and about a horizontal rotational axis and a vertical rotational axis, and a sensor device carried by the pick arm and configured to detect at least one of at least one magnitude of force and at least one location of force applied between the pick surface and a structure contacted by the pick surface or a structure and a microelectronic device carried on the pick surface.

Abstract: A kingpin assembly includes a housing having a recess located therein, a kingpin having at least a portion located within the recess of the housing, wherein the kingpin is secured within the recess of the housing, and wherein the kingpin includes an axis extending along a length of the kingpin, and a sensor arrangement configured to sense a force exerted on the kingpin in a first direction that is substantially perpendicular to the longitudinal axis, and a second direction that is substantially perpendicular to the first direction.

Abstract: The invention relates to the field of detection of implantable medical devices, particularly to magnetically induced torque measurement devices and method of implants in magnetic resonance imaging systems. The measurement device includes transmission shafts, gear sets, a knob, an indicator, a detachable torsion spring set, a loading tray, a protractor, and an MRI-compatible camera. The measurement device changes its measurement range by replacing the detachable torsion spring set, adjusts a height of the loading tray by a lifting platform, amplifies a rotation angle of the knob by the gear sets, and records deflection angles of the loading tray by the MRI-compatible camera. The measurement device provides the detachable torsion spring set, which is suitable for measuring most samples; and provides a height-adjustable loading tray, which can be applied to MR systems with different center heights.

Abstract: Described is a test head for a residual seal force (RSF) testing system. The test head includes a housing, an anvil, and a ball roller assembly. The housing defines a first cavity and the anvil is positioned at least partially within the first cavity. The ball roller assembly is configured to provide a point of contact between the housing and the anvil during a RSF test. The test head may further comprise a retaining ring configured to maintain the anvil at least partially within the first cavity.

Abstract: A pressure sensor that includes a piezoelectric film having a first main surface and a second main surface, a first electrode on the first main surface of the piezoelectric film, and a second electrode on the second main surface of the piezoelectric film. At least one of the first electrode and the second electrode is formed of a material having an elastic modulus of 60 GPa or more, and the product of a thickness of the at least one of the first electrode and the second electrode in a stacking direction of the pressure sensor multiplied by an elastic modulus of the at least one of the first electrode and the second electrode is 4 MPa·m or more.

Abstract: A sensor unit to be incorporated in a skin-like layer of machines such as robots employs a set of sensor electrodes supported in a first deformable sheet and a base electrode supported in a second deformable sheet, each of the sensor electrodes partially overlapping the base electrode so that application of a shear force causes the overlap of the electrodes to differentially change modifying the capacitance of the electrodes and permitting the detection of the shear force.